Dayco 72446 Radiator Coolant Hose - Lower

Curved Lower Radiator Hose for Volkswagen

Dayco 72446 is a curved radiator coolant hose built for lower cooling-system routing on select Volkswagen applications. Made from EPDM and finished in black, it provides the correct 1 1/4-inch inside diameter at both ends for a direct replacement-style fit.

This Dayco Curved Radiator Hose line is engineered for OE-style cooling system service, with a single I.D. hose construction and SAE J20R4 Class D-1 / SAE J1684 Type EC compliance. Dayco 72446 is a practical choice when replacing a worn lower coolant hose on a Volkswagen Golf or Volkswagen Jetta.

• EPDM construction for coolant hose service
• Curved lower radiator hose design
• 1 1/4-inch inside diameter at both ends
• Black finish
• Single I.D. hose construction
• SAE J20R4 Class D-1 and SAE J1684 Type EC specification

Fitment Details

• Fits 2006 Volkswagen Golf, lower.
• Fits 2000-2005 Volkswagen Golf, lower; without Quick Connect; Curved Radiator Hose.
• Fits 2002-2005 Volkswagen Jetta, lower; without Quick Connect; Curved Radiator Hose.

Common Replacement Uses

• Lower radiator hose replacement for cracked or aging coolant hoses
• Repair for coolant seepage at the hose body or ends
• Replacement for hoses that have softened, swollen, or collapsed
• Service for a curved lower hose routing on Volkswagen cooling systems
• Direct replacement for Dayco 72446 applications

Installation Notes

Verify the lower hose routing, end diameters, and Quick Connect configuration before installation. Inspect adjoining clamps, thermostat housing connections, and radiator necks for wear or corrosion so the new hose seals correctly. This part cross-references Duralast E72446 and Goodyear 66791 for the same application.

Quality Assurance

Dayco manufactures this hose to meet listed SAE specifications for radiator coolant hose service. Confirm vehicle year, model, and lower-position routing against the fitment data before ordering.